Closely Matching Concepts from Other Schemes
- found: Work cat.: mm89078514: Library of Congress Manuscript Division for the Papers of Glenn Theodore Seaborg, 1866-1999 (seaborgium; element 106)
- found: WebElements periodic table on WWW, July 30, 2004 (seaborgium; symbol: Sg; atomic no.: 106; atomic weight: 266; CAS registry ID: 54038-81-2; classification: metallic; presumably a solid at 298 K; color unknown, but probably metallic and silvery white or grey in appearance; seaborgium is a synthetic element that is not present in the environment at all; it has no uses; the first samples were made through a nuclear reaction involving fusion of an isotope of californium with one of oxygen; isolation of an observable quantity of seaborgium has never been achieved; discovered by A. Ghiorso and others at Lawrence Berkeley Laboratory in Calif. and Livermore National Laboratory (U.S.) in 1974; named for Glenn T. Seaborg, American nuclear chemist and Nobel prize winner)
- found: Britannica Micro. (unnilhexium, also called Element 106 or Seaborgium, an artificially produced radioactive element in Group VIb of the periodic table)
- found: Am. heritage dict. (seaborgium: symbol Sg; also called unnilhexium)
- 2004-07-30: new
- 2012-11-09: revised
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